1. [ noun ] (anatomy,zoology) a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
Related terms: structure valvelet heart_valve ileocecal_valve heart
2. [ noun ] (music) device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
Related terms: device brass
3. [ noun ] control consisting of a mechanical device for controlling the flow of a fluid
Related terms: control accelerator ball_valve clack_valve slide_valve safety_valve exhaust_valve choke intake_valve poppet butterfly_valve handwheel handwheel
Similar spelling:   Valvo